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EXNOS vs Oylus: heat pump ratings compared

Against heat pumps of the same size and type, a typical EXNOS model beats 33% and a typical Oylus model 33%. They are level.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

EXNOS

33%

of similar heat pumps beaten by its typical model

Well below average

38 models listed

Oylus

33%

of similar heat pumps beaten by its typical model

Well below average

38 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FEXNOS: Beats 36%Oylus: Beats 36%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FEXNOS: Beats 31%Oylus: Beats 31%
  • Winter-long heating efficiencyHSPF2EXNOS: Beats 43%Oylus: Beats 43%
  • Summer-long cooling efficiencySEER2EXNOS: Beats 31%Oylus: Beats 31%
  • Hot-day cooling efficiencyEER2EXNOS: Beats 27%Oylus: Beats 27%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    EXNOS
    63%
    Oylus
    63%

  • Xcel CC

    EXNOS
    50%
    Oylus
    50%

  • CEE Advanced

    EXNOS
    0%
    Oylus
    0%

  • ENERGY STAR CC

    EXNOS
    0%
    Oylus
    0%

Top cold-climate picks, ductless 2.5–3 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

EXNOS

  1. 1T28230W20E11EXNOS2.5 tons · 28,000 Btu/h · DuctlessKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    48.4score / 100
  2. 2T36230W20E11EXNOS3 tons · 38,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    47.4score / 100

Oylus

  1. 1T28230W20E11Oylus2.5 tons · 28,000 Btu/h · DuctlessKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    48.4score / 100
  2. 2T36230W20E11Oylus3 tons · 38,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    47.4score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view